Compare 42639 vs 42643
| Property | 42639 | 42643 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 31 × 611 × 2331 | 426431 |
| Prime factorization | 3 × 61 × 233 | 42643 |
| Divisors count | 8 | 2 |
| Divisors | 1, 3, 61, 183, 233, 699, 14213, 42639 | 1, 42643 |
| Number of properties | 0 | 6 |
| Additive primes | 1991st | |
| Lucky primes | 651st | |
| Primes | 4457th | |
| Sexy primes (1st member) | 1264th | |
| Super primes | 606th | |
| Twin primes (2nd member) | 620th | |
| Roman numberals | ||
| Base 2 | 10100110100011112 | 10100110100100112 |
| Base 3 | 20111110203 | 20111111013 |
| Base 4 | 221220334 | 221221034 |
| Base 5 | 23310245 | 23310335 |
| Base 6 | 5252236 | 5252316 |
| Base 7 | 2352127 | 2352167 |
| Base 8 | 1232178 | 1232238 |
| Base 9 | 644369 | 644419 |
| Base 10 | 4263910 | 4264310 |
| Base 11 | 2a04311 | 2a04711 |
| Base 12 | 2081312 | 2081712 |
| Base 13 | 1653c13 | 1654313 |
| Base 14 | 1177914 | 1177d14 |
| Base 15 | c97915 | c97d15 |
| Base 16 | a68f16 | a69316 |